越冬[ettou] passing the winter
夏炉冬扇[karotousen] summer fires and winter fans
旧冬[kyuutou] former winters
厳冬[gentou] severe winter
今冬[kontou] this winter

三冬[santou] three winter months
春夏秋冬[shunkashuutou] spring, summer, autumn (fall) and winter
初冬[shotou] early winter
真冬[mafuyu] midwinter
暖冬[dantou] mild winter

印籠[inrou] seal case
引籠る[hikikomoru] to stay indoors
屑籠[kuzukago] waste basket
言籠める[iikomeru] to talk down
口籠る[kuchigomoru] to hesitate to say

籠める[komeru] to load (a gun, etc.)
参籠[sanrou] retirement (to a temple of shrine) for prayer
手籠[tegome] rape
石燈籠[ishidourou] stone lantern
切籠[kiriko] facet